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. 2015 Jun 15;2015(6):CD009905. doi: 10.1002/14651858.CD009905.pub2

Treno 2007.

Methods Study design: controlled before‐after
Sampling frame: 2 low‐income, predominantly ethnic minority neighborhoods in Sacramento, CA, compared with the other neighborhoods of Sacramento, CA
Sampling method: not reported
Collection method: police incidence reports and emergency services records
Description of the community coalition: Coalition included local law enforcement officers, medical service providers, alcohol‐beverage control agents, CBO staff, community activists, parents, and youth
Participants Communities: 2 neighborhoods in Sacramento, CA
Country: USA
Ages included in assessment: general public in 37 intervention census blocks (North and South Sacramento); 243 remaining Sacramento census blocks served as the control
Reasons provided for selection of intervention community: predominantly low‐income, ethnic minority neighborhoods with high risk for alcohol‐related violence and injuries
Intervention community (population size): not reported
Comparison community (population size): not reported
Interventions Name of intervention: Sacramento Neighborhood Alcohol Prevention Project (SNAPP)
Theory: not reported
Aim: to test the effectiveness of neighborhood‐based interventions in reducing alcohol access and drinking and related problems
Description of costs and resources: unknown
Components of the intervention: (1) community mobilization; (2) community awareness; (3) responsible beverage service; (4) underage‐access law enforcement; and (5) intoxicated‐patron law enforcement
Start date: July 2000
Duration: 30 months
Outcomes Outcomes and measures: assaults and emergency services events (Chi2 and effect sizes)
Time points: baseline (July 2000) and follow‐up (2002 and 2003)
Notes Funding source: government
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) High risk Not randomized
Allocation concealment (selection bias) High risk Not randomized
Baseline outcome measurement similar Low risk Similar data collected before and after intervention
Baseline characteristics similar High risk Social and demographic characteristics of North and South sites differ from Sacramento at large
Blinding of outcome assessment (detection bias) 
 All outcomes Low risk Police incidence reports and data from emergency service events
Incomplete outcome data (attrition bias) 
 All outcomes Low risk Used public surveillance data
Blinding of participants and personnel (performance bias) 
 All outcomes High risk Not blinded
Protection against contamination High risk Sites followed same municipal services and policies
Selective reporting (reporting bias) Low risk Relevant outcomes reported